166449528 has 192 divisors, whose sum is σ = 547223040. Its totient is φ = 44681472.

The previous prime is 166449527. The next prime is 166449529. The reversal of 166449528 is 825944661.

It is an interprime number because it is at equal distance from previous prime (166449527) and next prime (166449529).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166449523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 962050 + ... + 962222.

It is an arithmetic number, because the mean of its divisors is an integer number (2850120).

Almost surely, 2^166449528 is an apocalyptic number.

166449528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166449528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273611520).

166449528 is an abundant number, since it is smaller than the sum of its proper divisors (380773512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166449528 is a wasteful number, since it uses less digits than its factorization.

166449528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 291 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 166449528 is about 12901.5320020531. The cubic root of 166449528 is about 550.0821122583.

The spelling of 166449528 in words is "one hundred sixty-six million, four hundred forty-nine thousand, five hundred twenty-eight".